Historical
IEC 61280-1-3 Ed. 1.0 b:1998
Fibre optic communication subsystem basic test procedures - Part 1-3: Test procedures for general communication subsystems - Central wavelength and spectral width measuremen
Measures several wavelength and spectral width properties of an optical spectrum associated with a fibre optic communication subsystem. The measurement is done for the purpose of system construction and/or maintenance. The optical transmitter is typically under modulation.
International Electrotechnical Commission [iec]